.top {
    width: 100%;
    height: 100px;
    box-sizing: border-box;
    background: #fff;
    position: relative;
    display: flex;
    justify-content: center;
    border-bottom: 2px solid #B61D22;
    /* z-index: 99; */
}

.top > .logo {
    box-sizing: border-box;
    height: 100%;
    width: 23%;
    padding-left: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    float: left;
    background: url(.././img/logotop.png) center no-repeat;
    background-position: 0px;
}

.logo-top {
    font-size: 29px;
    color: #333;
}

.logo-bottom {
    font-size: 12px;
    color: #999;
}

.top-option {
    height: 100%;
    width: 60%;
    display: flex;
    align-items: center;
    color: #333;
    font-size: 16px;
    justify-content: space-evenly;
    float: left;
}

.top-option a {
    color: #333;
}

.top-input {
    height: 100%;
    width: 15%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    /* box-sizing: border-box; */
    position: relative;
}

.top-input > input {
    border: 1px solid #B61D22;
    height: 40px;
    outline: none;
    padding-right: 20%;
    width: 100%;
    background: #fff;
    padding-left: 10px;
    box-sizing: border-box;
}

.input-bg {
    position: absolute;
    height: 40px;
    width: 20%;
    background: #B61D22;
    background-image: url(https://lanhu.oss-cn-beijing.aliyuncs.com/SketchPnga77fb190763c0e70113bd7e182ac884698b9a301d9f294461d04a99d182793f3);
    background-position: center;
    background-repeat: no-repeat;
}

.main {
    width: 100%;
    /*height: 100%;*/
}

.main-bg-develop {
    background: url(.././img/topdevelop.jpg) center no-repeat;
    /*width: 100%;*/
    /*height: 300px;*/
    /*background-size: 100% 100%;*/
    background-size: 100% 100%;
    position: relative;
    top: 0;
    z-index: 1;
    left: 50%;
    width: 1920px;
    height: 300px;
    margin-left: -960px;
}

.main-content {
    box-sizing: border-box;
    /*padding: 0 15%;
    width: 100%;*/
    margin-bottom: 80px;
    width: calc(100% - 520px);
    min-width: 1200px;
    margin: 0 auto;
}

.main-content .content-title {
    width: 100%;
    margin: 40px 0;
}

.content-title1 {
    font-size: 36px;
    font-weight: bold;
    color: #333;
}

.content-title2 {
    font-size: 18px;
    color: #999;
    margin-top: 10px;
}

/*.content-title > h1 {
    font-size: 36px;
    font-weight: bold;
    color: #333;
}*/
/*.content-title > p {
    font-size: 18px;
    color: #999;
    margin-top: 10px;
}*/
.content-info-top, .content-info-center, .content-info-bottom {
    width: 100%;
    display: flex;
}

.content-info-top > .top-bg {
    background: url(https://lanhu-dds-backend.oss-cn-beijing.aliyuncs.com/merge_image/imgs/876a4b045bef412f90559f16984b8e56_mergeImage.png) center no-repeat;
    background-size: 100% 100%;
    width: 67%;
    height: 420px;
}

.top-info {
    width: 33%;
    background: #B61D22;
    color: white;
    box-sizing: border-box;
    padding: 5% 5% 0 5%;
}

.top-info > h1 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.top-info > p {
    font-size: 16px;
    margin-top: 40px;
}

.info-center-left {
    width: 33%;
    background-size: 100% 100%;
    position: relative;
}

.center-left-title {
    width: 100%;
    height: 100px;
    background: #B61D22;
}

.center-left-title > h2 {
    text-align: center;
    line-height: 100px;
    color: white;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.info-center-right {
    width: 67%;
}

.center-right-top, .center-right-bottom {
    width: 100%;
    height: 50%;
}

.center-right-top {
    background: url(https://lanhu-dds-backend.oss-cn-beijing.aliyuncs.com/merge_image/imgs/98836e3b6aa34c048ad0669a5e6b9a70_mergeImage.png) center no-repeat;
    background-size: 100% 100%;
    position: relative;
}

.center-right-bottom {
    background: url(https://lanhu-dds-backend.oss-cn-beijing.aliyuncs.com/merge_image/imgs/98836e3b6aa34c048ad0669a5e6b9a70_mergeImage.png) center no-repeat;
    background-size: 100% 100%;
    position: relative;
}

.center-right-top-title, .center-right-bottom-title {
    width: 100%;
    height: 60px;
    background: #B61D22;
    position: absolute;
    bottom: 0;
    left: 0;
}

.center-right-top-title > h2, .center-right-bottom-title > h2 {
    text-align: center;
    line-height: 50px;
    color: white;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.content-info-bottom-bg {
    background: url(https://lanhu-dds-backend.oss-cn-beijing.aliyuncs.com/merge_image/imgs/876a4b045bef412f90559f16984b8e56_mergeImage.png) center no-repeat;
    background-size: 100% 100%;
    width: 67%;
    height: 420px;
}

.bottom {
    width: 100%;
    position: relative;
    /*padding: 40px 15%;*/
    padding-top: 30px;
    box-sizing: border-box;
    background: #F7F7F7;
    border-top: 2px solid red;
}

.bottom-content {
    width: calc(100% - 520px);
    min-width: 1200px;
    margin: 0 auto;
}

.bottom-title {
    text-align: center;
    display: flex;
    justify-content: center;
}

.bottom-title > .logo {
    width: 260px;
    padding-left: 40px;
    background: url(https://lanhu.oss-cn-beijing.aliyuncs.com/SketchPngc84e81ef9fd952b8b4c0efbfc778864cdacf92e409aca09e6b976b4fcd0289a4) center no-repeat;
    background-position: 0px;
}

.bottom-title > .logo > .logo-bottom {
    color: #333;
}

.bottom-info {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.bottom-info-item {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    color: #333;
}

.bottom-info-item > p {
    font-size: 20px;
    height: 28px;
}

.bottom-href {
    width: 100%;
    height: 30px;
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.bottom-href-item {
    width: 22%;
    background: #d8d8d8;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    padding: 0 20px;
}

.bottom-href-item > p {
    font-size: 14px;
}

.bottom-border {
    width: 100%;
    height: 1px;
    background: #979797;
    margin-top: 40px;
}

.bottom-item {
    width: 100%;
    display: flex;
    justify-content: center;
    color: #333;
    margin-top: 40px;
    font-size: 12px;
}

.bottom-item > div {
    display: flex;
    padding: 0 30px;
}

.bottom-item > div > img {
    padding-right: 5px;
}

.main-content-item1 {
    position: relative;
    width: 100%;
    height: 570px;
    margin-bottom: 150px;
}

.main-content-item-info {
    position: absolute;
    width: 25%;
    top: calc(50% - 200px);
    background-color: white;
    padding: 50px 59px 60px 54px;
    box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.3);
    z-index: 99;
}

.main-content-item-info1 {
    left: 0;
}

.main-content-item-info2 {
    right: 0;
}

.main-content-item-a {
    position: fixed;
    right: 50px;
    bottom: 50px;
    z-index: 99;
    width: 50px;
    height: 50px;
    cursor: pointer;
}

.info-title {
    font-size: 36px;
    font-weight: bold;
    color: #2B2C2D;
    line-height: 50px;
    margin-bottom: 30px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.info-content {
    font-size: 16px;
    color: #666;
    line-height: 26px;
    margin-bottom: 30px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 6;
}

.info-botton {
    width: 125px;
    height: 45px;
    background-color: #B61D22;
    text-align: center;
    line-height: 45px;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
}

.main-content-item-img {
    float: right;
    width: 75%;
    height: 570px;
    overflow: hidden;
    z-index: 1;
    cursor: pointer;
}

.main-content-item-img1 {
    float: left;
}

.main-content-item-img > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all .5s;
}

.main-content-item-img > img:hover {
    width: 100%;
    height: 100%;
    /*object-fit: cover;*/
    transform: scale(1.1);
    transition: all .5s;
}